The reddish-orange colour of weathering of volcanic ash is most likely due to its iron sulfide content which oxidizes to iron oxide so that limonite is yellow and hematite is red and in ash since it is such fine grained material it weathers more rapidly because it has a large surface area.
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Tropospheric ozone is harmful, damaging plants and human health while ozone at the stratophere level screens out mutagenic ultraviolet radiation.
Explanation:
Ozone is dangerous and harmful in the lowest layer of the Earth's atmosphere. This layer is called troposphere. The reason why it causes damage to plants and human health it is because ozone is a reactive gas that affects plant synthesis and causes smog (a form of air pollution that is particularly dangerous to sensitive respiratory diseases such as asthma). However, ozone is helpful in the second layer of the Earth's atmosphere: the stratosphere. It prevents and blocks dangerous ultraviolet radiation.
Jordan river forms a natural boundary between Israel and Jordan and empties into the Dead Sea
Explanation:
North Africa has three main geographic features: the Sahara desert in the south, the Atlas Mountains in the west, and the Nile River and delta in the east. The climate there is hot so there is also less water that's why..
Answer:
<em>The Middle East is a geographical region that has been of great importance in history since ancient times. Strategically located, it is a natural land bridge connecting the continents of Asia, Africa, and Europe. ... In recent times its enormous deposits of oil have made the Middle East more important than ever.</em>
Explanation:
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